/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

package javahelper;

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.PrintWriter;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.GregorianCalendar;

/**
 *
 * @author Administrator
 */
public class Notices {
public String getTodayName(){
    Date date=new Date();
     SimpleDateFormat formatter= new SimpleDateFormat ("yyyy-mm-dd");
     String dateString=formatter.format(date);  
     return "xxxx-xx-xx";
      
}
  public String getTomorrowName(){
        Date date = new Date();
        Calendar calendar = new GregorianCalendar();
        calendar.setTime(date);        
        calendar.add(calendar.DATE, 1);
        date = calendar.getTime();
        SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd");
        String dateString = formatter.format(date);
        return dateString;
  }
  public void getTodayNotices(){     
  }
  public boolean setTomorrowNotices(String notice) throws IOException {
    File file=new File("notices");
    if(!file.exists()){
    file.mkdir();
    }
    file=new File("notices/"+getTomorrowName()+".txt");
    if(!file.exists()){
        file.createNewFile();
    }
    FileOutputStream f=new FileOutputStream(file,true);
    PrintWriter p=new PrintWriter(f,true);
    p.println(notice);
      System.out.println("成功添加一条明天的备忘信息");
      return true;
  }
    public static void main(String[] args) throws IOException {
        Notices n=new Notices();
        String dateString=n.getTodayName();
        System.out.println(dateString);
        String tomorrowString=n.getTomorrowName();
        System.out.println(tomorrowString);
        n.setTomorrowNotices("明天去逛街，去取钱");
    }
}